Field Setting; Field Setting Switches; Dip Switch Setting - Fujitsu AJ*A72LALH Series Installation Manual

7.

FIELD SETTING

Discharge the static electricity from your body before setting up the DIP switches.
Never touch the terminals or the patterns on the parts that are mounted on the board.
7. 1.

Field setting switches

Remove the front panel of the outdoor unit and the cover of the electrical component box to access the print circuit
board of the outdoor unit.
Print circuit board switches for various settings and LED displays are shown in the fi gure.
7. 2.

DIP switch setting

7. 2. 1. List of Settings
SET3 and SET5 must be set for the DIP switch.
Confi gure the settings before turning on the power.
Settings for SET1, SET2, and SET4 DIP switches are
factory default ones. Do not change them.
DIP Switch
SET1 1-4
SET2 1-4
1
2
SET3
3
Setting for number of
4
SET4 1-4
Number of outdoor units in-
1-2
SET5
3
4 Terminal resistor setting
7. 2. 2. Settings to be confi gured locally
(1) Outdoor unit address setting
When 2 or 3 outdoor units are installed to 1 refrigerant system, set
the address for each outdoor unit.
Set the address for all outdoor units.
SET3
Outdoor unit
address
1 2
OFF OFF 0
OFF ON 1
ON OFF 2
ON ON -
(2) Nu mber of slave units setting for outdoor unit
Set the number of slave units connected to 1 refrigerant system.
Set only the master unit.
SET3 Number of
connectable
3 4
outdoor units
OFF OFF 0
OFF ON 1
ON OFF 2
ON ON -
CAUTION
Function
Forbidden
Forbidden
Outdoor unit
address setting
slave units
Forbidden
stalled
Forbidden
Remarks
Master unit only (Factory setting)
Slave unit 1
Slave unit 2
Forbidden
Remarks
Master unit only (Factory setting)
1 slave unit connected
2 slave unit connected
Forbidden
Outdoor unit printed circuit board
7 Segment
LED lamp
LED display
POWER Rotary switch
ERROR
MODE
LED101 LED102
(GREEN)
(RED)
REF AD
LED105 LED104
SW105
SW106
X 10 X 1
MODE SET 1 SET 2 SET 3 SET 4
SELECT ENTER
/EXIT
SW101
SW102 SW103 SW104
SW107 SW108 SW109
Push button DIP switch
En-27